.container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: white;
}

.title {
    font-size: 100px;
    margin-bottom: 130px;
}

.scoretitle {
    font-size: 50px;
    margin-top: 30px;
}

/*
	css选择器，逗号代表并列关系
	具体可以百度噢，因为前端博大精深
*/
.backBtnup, .backBtncenter, .backBtnleft, .backBtnright {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    margin-top: 20px;
    border-radius: 10px;
    background-color: black;
}

.backBtnup {
    margin-top: 80px;
}

.backBtncenter {
    margin-left: 40px;
    margin-right: 40px;
}

.directsecond {
    flex-direction: row;
    justify-content: center;
    align-items: center;
}